DE3411960C2 - - Google Patents
Info
- Publication number
- DE3411960C2 DE3411960C2 DE3411960A DE3411960A DE3411960C2 DE 3411960 C2 DE3411960 C2 DE 3411960C2 DE 3411960 A DE3411960 A DE 3411960A DE 3411960 A DE3411960 A DE 3411960A DE 3411960 C2 DE3411960 C2 DE 3411960C2
- Authority
- DE
- Germany
- Prior art keywords
- layer
- polycrystalline silicon
- silicon
- dioxide
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 62
- 238000000034 method Methods 0.000 claims description 38
- 239000000758 substrate Substances 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000002019 doping agent Substances 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052785 arsenic Inorganic materials 0.000 claims description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 16
- 235000012239 silicon dioxide Nutrition 0.000 claims 8
- 239000000377 silicon dioxide Substances 0.000 claims 8
- 239000010410 layer Substances 0.000 description 67
- 238000003486 chemical etching Methods 0.000 description 11
- 230000015654 memory Effects 0.000 description 8
- 238000005530 etching Methods 0.000 description 6
- 230000005669 field effect Effects 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 238000002513 implantation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
-
- H01L29/40114—
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20391/83A IT1218344B (it) | 1983-03-31 | 1983-03-31 | Processo per l'autoallineamento di un doppio strato di silicio policristallino,in un dispositivo a circuito integrato,mediante un' operazione di ossidazione |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3411960A1 DE3411960A1 (de) | 1984-10-04 |
| DE3411960C2 true DE3411960C2 (fr) | 1992-04-02 |
Family
ID=11166285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843411960 Granted DE3411960A1 (de) | 1983-03-31 | 1984-03-30 | Verfahren zur selbstausrichtung einer doppelten schicht aus polykristallinem silicium mittels oxydation in einer integrierten schaltung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4488931A (fr) |
| JP (1) | JPS59211282A (fr) |
| DE (1) | DE3411960A1 (fr) |
| FR (1) | FR2543738B1 (fr) |
| GB (1) | GB2138632B (fr) |
| IT (1) | IT1218344B (fr) |
| NL (1) | NL8400960A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1213192B (it) * | 1984-07-19 | 1989-12-14 | Ates Componenti Elettron | Processo per la fabbricazione di transistori ad effetto di campo agate isolato (igfet) ad elevata velocita' di risposta in circuiti integrati ad alta densita'. |
| JPS61136274A (ja) * | 1984-12-07 | 1986-06-24 | Toshiba Corp | 半導体装置 |
| US4735919A (en) * | 1986-04-15 | 1988-04-05 | General Electric Company | Method of making a floating gate memory cell |
| US4683640A (en) * | 1986-04-15 | 1987-08-04 | Rca Corporation | Method of making a floating gate memory cell |
| US4808555A (en) * | 1986-07-10 | 1989-02-28 | Motorola, Inc. | Multiple step formation of conductive material layers |
| US5272100A (en) * | 1988-09-08 | 1993-12-21 | Mitsubishi Denki Kabushiki Kaisha | Field effect transistor with T-shaped gate electrode and manufacturing method therefor |
| US5089863A (en) * | 1988-09-08 | 1992-02-18 | Mitsubishi Denki Kabushiki Kaisha | Field effect transistor with T-shaped gate electrode |
| US5543646A (en) * | 1988-09-08 | 1996-08-06 | Mitsubishi Denki Kabushiki Kaisha | Field effect transistor with a shaped gate electrode |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1540450A (en) * | 1975-10-29 | 1979-02-14 | Intel Corp | Self-aligning double polycrystalline silicon etching process |
| US4142926A (en) * | 1977-02-24 | 1979-03-06 | Intel Corporation | Self-aligning double polycrystalline silicon etching process |
| EP0002107A3 (fr) * | 1977-11-17 | 1979-09-05 | Rca Corporation | Procédé pour la fabrication d'un dispositif à semiconducteur planaire |
| US4190466A (en) * | 1977-12-22 | 1980-02-26 | International Business Machines Corporation | Method for making a bipolar transistor structure utilizing self-passivating diffusion sources |
| US4239559A (en) * | 1978-04-21 | 1980-12-16 | Hitachi, Ltd. | Method for fabricating a semiconductor device by controlled diffusion between adjacent layers |
| US4234362A (en) * | 1978-11-03 | 1980-11-18 | International Business Machines Corporation | Method for forming an insulator between layers of conductive material |
| US4355455A (en) * | 1979-07-19 | 1982-10-26 | National Semiconductor Corporation | Method of manufacture for self-aligned floating gate memory cell |
| FR2468185A1 (fr) * | 1980-10-17 | 1981-04-30 | Intel Corp | Procede de fabrication d'une matrice de memoire electriquement programmable a haute densite |
-
1983
- 1983-03-31 IT IT20391/83A patent/IT1218344B/it active
-
1984
- 1984-03-26 US US06/593,238 patent/US4488931A/en not_active Expired - Lifetime
- 1984-03-27 JP JP59057481A patent/JPS59211282A/ja active Pending
- 1984-03-27 NL NL8400960A patent/NL8400960A/nl not_active Application Discontinuation
- 1984-03-30 FR FR8405074A patent/FR2543738B1/fr not_active Expired
- 1984-03-30 DE DE19843411960 patent/DE3411960A1/de active Granted
- 1984-04-02 GB GB08408434A patent/GB2138632B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3411960A1 (de) | 1984-10-04 |
| IT8320391A0 (it) | 1983-03-31 |
| GB8408434D0 (en) | 1984-05-10 |
| US4488931A (en) | 1984-12-18 |
| JPS59211282A (ja) | 1984-11-30 |
| GB2138632A (en) | 1984-10-24 |
| FR2543738B1 (fr) | 1986-06-20 |
| NL8400960A (nl) | 1984-10-16 |
| GB2138632B (en) | 1986-10-15 |
| IT1218344B (it) | 1990-04-12 |
| FR2543738A1 (fr) | 1984-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: KLUNKER, H., DIPL.-ING. DR.RER.NAT. SCHMITT-NILSON |
|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: H01L 21/336 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |